Home / 15,711.10-23,561.66-5,179.16

Finding the Fourth Proportional to 15,711.10, 23,561.66 and 5,179.16

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Solution

The fourth proportional to 15,711.10, 23,561.66 and 5,179.16 is: 7,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,711.10 : 23,561.66 = 5,179.16 : x
  2. Step 2: Convert to fraction form
    15,711.10/23,561.66 = 5,179.16/x
  3. Step 3: Cross multiply
    15,711.10x = 23,561.66 × 5,179.16
  4. Step 4: Simplify right side
    15,711.10x = 122,029,607.01
  5. Step 5: Solve for x
    x = 122,029,607.01/15,711.10
  6. Step 6: Final answer
    x = 7,767.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.